ProgramNode(0...14)(
  [],
  StatementsNode(0...14)(
    [WhileNode(0...14)(
       (5...10),
       CallNode(11...14)(nil, nil, (11...14), nil, nil, nil, nil, 0, "foo"),
       StatementsNode(0...4)(
         [CallNode(0...4)(nil, nil, (0...4), nil, nil, nil, nil, 0, "meth")]
       )
     )]
  )
)
